Patents Represented by Attorney Raymond T. Majesko

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  • Railway coupler and draft rigging
    Patent number: 4064998
    Abstract: The invention relates to a rapid transit draft rigging for an automatic coupler wherein a draft gear cushioning device is held within a pocket of a housing exterior to a drawbar that will release by a predetermined force to provide long free travel, permitting the coupler and draft gear arrangement to move out of the way so that they are not damaged by an accident that deforms the end of the car.
    Type: Grant
    Filed: October 31, 1975
    Date of Patent: December 27, 1977
    Assignee: Dresser Industries, Inc.
    Inventors: Walter C. Dilg, Wilbert G. Glauser
  • Rejection feature for center plate
    Patent number: 4056065
    Abstract: A body bolster center filler-center plate assembly having a center plate containing a lower cap and upwardly extending sidewalls which extend into and are secured within a bottom-open pocket formed by center sill sidewalls and shear plates, the shear plates and center plate walls having a stop lug and a complementary notch, respectively, for polarizing the center plate within the pocket.
    Type: Grant
    Filed: October 19, 1976
    Date of Patent: November 1, 1977
    Assignee: Dresser Industries, Inc.
    Inventors: David Elmer Fiegl, Vaughn Terrey Hawthorne, Albert Edward Martin
  • Method of in situ fabrication of a monolithic refractory lining
    Patent number: 4055437
    Abstract: Method of preparing a batch of non-basic refractory gunning mix for forming a refractory monolith on its situs of use by mixing non-basic refractory aggregate and calcium aluminate cement with from about 0.5 to 25%, on a cement basis, of calcium chloride hydrate and mixing the resulting batch with water to allow gunning.
    Type: Grant
    Filed: March 23, 1977
    Date of Patent: October 25, 1977
    Assignee: Dresser Industries, Inc.
    Inventor: Daniel Ralph Petrak
  • Monolithic refractories
    Patent number: 3998648
    Abstract: The disclosure relates to monolithic refractories which can be used on the job site without any preparation, i.e. addition of additives and consists of a high alumina containing material, a reactive alumina containing material, kaolin clay and crude kyanite to which are added the combination of phosphoric acid and water.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: December 21, 1976
    Assignee: Dresser Industries, Inc.
    Inventors: Stephen Whitney Thrower, George Hugh Criss, Daniel Eusebius Moniot
  • Refractory castable
    Patent number: 3992214
    Abstract: This invention relates to refractory castables containing a heat resistant aggregate and calcium aluminate cement plus the addition of +35 mesh silicon carbide wherein such castable may be used at temperatures up to 3200.degree. F. with the required strength.
    Type: Grant
    Filed: August 14, 1974
    Date of Patent: November 16, 1976
    Assignee: Dresser Industries, Inc.
    Inventors: Daniel Ralph Petrak, Thomas Franklin Foltz
  • Articulated link coupler
    Patent number: 3985236
    Abstract: A semi-permanent connection for freight cars having a point of connection and articulation at its center for easily separating the cars and having an alignment control arrangement at the same articulation point so as to provide limited angling as required to meet curve negotiation requirements.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: October 12, 1976
    Assignee: Dresser Industries, Inc.
    Inventor: Albert Edward Martin
  • Shapes for use in lining metallurgical vessels
    Patent number: 3972516
    Abstract: The invention relates to refractory shapes for use in the lowermost courses of the walls of ladles and the like where an adjustment for a taper may be necessary.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: August 3, 1976
    Assignee: Dresser Industries, Inc.
    Inventor: Nicholas Napora
  • Drilling fluids
    Patent number: 3956140
    Abstract: Well drilling, workover and completion fluids containing various water soluble condensation products of phenolic materials, formaldehyde and sulfite salts. Such condensation products may be further modified by including during the condensation reaction one or more of urea, melamine, salicylic acid, benzoic acid, phthalic acid, adipic acid, succinic acid, glutaric acid, maleic acid or the anhydrides of said acids. The drilling, workover or completion fluids may also contain clay-dispersants.
    Type: Grant
    Filed: April 27, 1973
    Date of Patent: May 11, 1976
    Assignee: Dresser Industries, Inc.
    Inventors: James Jang Woo Nahm, David A. Rowe
  • Truck side frame and bolster connection
    Patent number: 3941063
    Abstract: A freight car truck side frame-bolster connection which provides self-squaring or self-tramming forces by resilient means incorporated in bearing shoes that cooperate with the bolster ends and the side frame window opening to produce the desired results. Also, the provision of the resilient squaring force is accomplished while maintaining the ability to shim at the bolster ends for adjustment of car height, and without the need for close tolerances.
    Type: Grant
    Filed: October 23, 1974
    Date of Patent: March 2, 1976
    Assignee: Dresser Industries, Inc.
    Inventor: Geoffrey Wilton Cope
  • Reinforced grinding wheel
    Patent number: 3939612
    Abstract: The disclosure illustrates a grinding wheel that is reinforced by a length of wire positioned on the side faces of the wheel in a spiral pattern beginning adjacent the inner diameter with successive turns progressively radially outward alongside the wheel. The wire is bonded to the wheel by an epoxy resin.
    Type: Grant
    Filed: June 2, 1971
    Date of Patent: February 24, 1976
    Assignee: Dresser Industries, Inc.
    Inventor: George N. Peterson
  • Derailment detector
    Patent number: 3938765
    Abstract: A safety device for initiating an air brake application attached to or integral with the side frame of a railway car truck in proximity to the rail consisting of a hollow shoe or casting communicating with the air brake train line and adapted to make contact with the rail and fracture upon derailment venting the train line air to the atmosphere.
    Type: Grant
    Filed: August 3, 1973
    Date of Patent: February 17, 1976
    Assignee: Dresser Industries, Inc.
    Inventor: Geoffrey Wilton Cope